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BACKGROUND Study participation bias can affect inferences regarding outcomes. OBJECTIVE The objective is to compare characteristics of participants and non-participants of two literacy studies. METHODS Two studies of literacy and health-related quality of life were conducted in English- and Spanish-speaking cancer patients. Patients had a range of(More)
In a double-blind, placebo-controlled study, we measured the effect of disodium cromoglycate (DSCG) on leukocyte counts, total IgE, IgG, IgA, IgM, house dust mite-specific IgE, C3, and C4 in bronchoalveolar lavage (BAL) fluid and peripheral blood in 36 atopic, perennial asthmatic subjects (DSCG 19; placebo 17). Differential cell counts on bronchial mucus(More)
BACKGROUND Budesonide is the only inhaled corticosteroid to be given a category B pregnancy rating by the US Food and Drug Administration, based on observational data from the Swedish Medical Birth Registry. However, data from large randomized controlled trials are lacking. OBJECTIVE To compare pregnancy outcomes among patients with recent-onset(More)
We have measured the total and differential cell counts, histamine, leukotriene (LT) B4 and LTC4, immunoglobulins, complement (C3), eosinophil-derived basic proteins, and monocyte complement rosettes in bronchoalveolar lavage (BAL) 6 h after challenge with either antigen or diluent control in seven patients with antigen-induced single early reactions, and(More)
Asthma epidemiology relies heavily on standardized questionnaires, but little is known about the understanding of asthma symptoms among adults in the community. In 2004, the authors assessed the level of agreement between responses to a standardized questionnaire and responses to a questionnaire completed by participants after viewing a demonstration of(More)
OBJECTIVE Cellular immunity has classically been described as the defense mechanism for viral infections. The development of cellular or humoral immune responses will depend on a repertoire of cytokines produced by numerous cells, including CD4+ and CD8+ T cells. These lymphocytes can be subdivided into 2 subsets, T helper 1 (Th1) and Th2, on the basis of(More)
Fifty-eight patients with chronic asthma in whom airflow obstruction was relieved by bronchodilator aerosols but not by oral corticosteroids were compared with 58 other chronic asthmatics who responded equally well to both treatments. The two groups were matched for age and sex. The only significant clinical differences between the two groups were that in(More)
BACKGROUND Liposuction can aggravate metabolic complications associated with obesity. It has been shown that the recovery of weight lost through these interventions is associated with body fat redistribution toward the visceral cavity, increasing metabolic risk factors for coronary heart disease such as insulin resistance and high triglyceride levels. (More)